Dyersburg Water Hardness & Quality Report (2026)
Water Hardness
10.6 grains per gallon
Source
reservoir
pH Level
8.2
neutral = 7.0
Lead
0.006 mg/L
✓ Below action level
TDS
415.5 mg/L
Est. Daily Cost
$0.49
energy & soap waste
Source: USGS Water Quality Portal · Updated 2026
0–60
mg/L
Soft
61–120
mg/L
Moderately Hard
121–180
mg/L
Hard
180+
mg/L
Very Hard
Appliance Damage Report
In Dyersburg, your appliances are currently losing 24% efficiency due to mineral buildup.
| Appliance | In Dyersburg | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 3.6 yrs | 8.5 yrs | -58% |
| Washing Machine | 6.9 yrs | 12 yrs | -43% |
| Water Heater | 8.3 yrs | 15 yrs | -45% |
Regional Water Comparison
How Dyersburg compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Dyersburg, Tennessee | 182 mg/L | 6.2 ppt | 🔴 Very Hard | reservoir |
| Blytheville, Arkansas | 74.5 mg/L | 3 ppt | 🟡 Moderately Hard | river |
| Jackson, Tennessee | 176.5 mg/L | 6 ppt | 🟠 Hard | reservoir |
| Sikeston, Missouri | 254 mg/L | 7.6 ppt | 🔴 Very Hard | river |
| Lakeland, Tennessee | 181 mg/L | 6.2 ppt | 🔴 Very Hard | reservoir |
National Benchmark
How Dyersburg compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Dyersburg | 182 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Dyersburg's Water Unique?
Local geology and source profile
Dyersburg, Tennessee, in Dyer County — the Dyer County seat adjacent to Newbern and Trimble in the northwest Tennessee cotton-belt, on the Forked Deer River in the Mississippi Embayment — receives its municipal water from the Dyersburg Water Division, drawing from local reservoir sources on the South Fork Forked Deer River (Dyer County) through the Dyersburg treatment plant.
The hard 182 mg/L hardness and TDS of 415.5 mg/L reflect the northwest Tennessee Mississippi Embayment's calcareous character. The Dyer County watershed drains the Mississippi Embayment — Cretaceous Selma Chalk (calcareous — the dominant Embayment bedrock), Eocene Wilcox Group calcareous sand (moderately soluble), and Quaternary Mississippi loess (calcareous windblown silt from the Mississippi Valley). The cumulative Cretaceous-Eocene calcareous and loess loading produces the moderately hard northwest Tennessee Embayment supply.
At 182 mg/L, Dyersburg's water is hard — scale builds steadily in kettles and appliances, dishwashers benefit from rinse aid, and water heaters should be descaled annually. Monthly descaling is recommended. The PFAS level of 6.2 ppt warrants a certified drinking water filter — the Dyer County northwest Tennessee agricultural and light-industrial corridor, and the regional PFAS background contribute to Dyersburg's readings.
Geology & Source: Dyersburg in Dyer County draws from the Dyersburg Water Division on local reservoirs (Dyer County, northwest Tennessee) — the Dyer County watershed drains the Mississippi Embayment (Cretaceous Selma Chalk, Eocene Wilcox calcareous sand, Quaternary Mississippi loess) — Tennessee Dyer County Mississippi Embayment Cretaceous-Eocene calcareous watershed produces hard water at 182 mg/L with TDS 415.5 mg/L in this Dyer County Tennessee city.